Overview
The 74HC74D/DG118 is a dual D-type flip-flop integrated circuit produced by NXP USA Inc. This component is fabricated using silicon gate CMOS technology, which ensures high-speed operation while maintaining low power dissipation. It features individual data, clock, set, and reset inputs, along with complementary outputs. The 74HC74D is designed to operate over a wide range of temperatures and voltages, making it versatile for various electronic applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VCC) | 2.0 to 6.0 | V |
| Operating Temperature (TA) | -40 to 125 | °C |
| Maximum Clock Frequency (fMAX) | 77 | MHz (at VCC = 5 V) |
| Propagation Delay Time (CK-Q, Q) | 14 to 19 | ns (at VCC = 2.0 to 6.0 V) |
| Output Drive Capability | ± 5.2 | mA |
| Quiescent Supply Current (ICC) | 2.0 | µA (max at Ta = 25°C) |
| Package Type | 14-SOIC (0.154", 3.90mm Width) | |
| Trigger Type | Positive Edge | |
| ESD Protection | HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V |
Key Features
- High-speed operation with a maximum clock frequency of up to 77 MHz at VCC = 5 V.
- Low power dissipation with a quiescent supply current of 2.0 µA (max) at Ta = 25°C.
- Wide operating temperature range from -40°C to 125°C.
- Wide operating voltage range from 2.0 V to 6.0 V.
- Individual data (nD), clock (nCP), set (nSD), and reset (nRD) inputs.
- Complementary nQ and nQ outputs.
- Schmitt-trigger action in the clock input for high tolerance to slower clock rise and fall times.
- Input clamp diodes for protection against static discharge and transient excess voltage.
- High noise immunity and balanced propagation delays.
- Lead-free and RoHS compliant.
Applications
The 74HC74D/DG118 is suitable for a wide range of applications across various industries, including:
- Automotive systems: For high-speed and low-power logic operations.
- Industrial control systems: Where robust and reliable flip-flop operations are required.
- Consumer electronics: Such as in mobile devices, wearables, and other portable electronics.
- Computing and data storage: For high-speed data storage and retrieval applications.
- Power management: In systems requiring efficient and reliable logic control.
Q & A
- What is the maximum clock frequency of the 74HC74D/DG118?
The maximum clock frequency is up to 77 MHz at VCC = 5 V.
- What is the operating temperature range of the 74HC74D/DG118?
The operating temperature range is from -40°C to 125°C.
- What is the supply voltage range for the 74HC74D/DG118?
The supply voltage range is from 2.0 V to 6.0 V.
- Does the 74HC74D/DG118 have ESD protection?
- What type of trigger does the 74HC74D/DG118 use?
- What is the package type of the 74HC74D/DG118?
- Is the 74HC74D/DG118 lead-free and RoHS compliant?
- What are the key inputs and outputs of the 74HC74D/DG118?
- How does the 74HC74D/DG118 protect against static discharge?
- What are some typical applications of the 74HC74D/DG118?
